<!DOCTYPE html>
<html lang="en">
    <head>
        <meta charset="UTF-8">
        <title>单文件上传</title>
        <style type="text/css">
            .wrapper{
                display: block;
                width : 80%;
                margin : 30px auto ;
                border : 1px solid #dedede ;
                padding :10px;
            }
        </style>
    </head>
    <body>
        <div class="wrapper">
            <form action="/myself/single" method="post" enctype="multipart/form-data">
                <input type="text" name="username" placeholder="随意">
                <input type="file" name="upfile">
                <input type="submit" value="上传">
            </form>
        </div>
    </body>
</html>